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M75012 - PHOTOELECTRIC SMOKE DETECTOR

General Description

M75012 The M75012 is a very low-power IC providing all of the required

Key Features

  • for a photoelectric type smoke detector. This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. A variable-gain photo amplifier can be directly interfaced to an infrared emitter / detector pair. The amplifier gain levels are determined by two external capacitors that are then internally selected depending on the operating mode. Low gain is selected during standby and timer modes. During a local alarm this low gain is increased.

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Datasheet Details

Part number M75012
Manufacturer Mosdesign
File Size 195.66 KB
Description PHOTOELECTRIC SMOKE DETECTOR
Datasheet download datasheet M75012 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com MOSDESIGN SEMICONDUCTOR CORP. SMOKE DETECTOR PHOTOELECTRIC SMOKE DETECTOR WITH INTERCONNECT GENERAL DESCRIPTION M75012 The M75012 is a very low-power IC providing all of the required features for a photoelectric type smoke detector. This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. A variable-gain photo amplifier can be directly interfaced to an infrared emitter / detector pair. The amplifier gain levels are determined by two external capacitors that are then internally selected depending on the operating mode. Low gain is selected during standby and timer modes. During a local alarm this low gain is increased ( internally ) by ~ 10% to reduce false triggering.